animatables.m

TTR的一个经典游戏

#import <CoreFoundation/CoreFoundation.h>
#import <Foundation/Foundation.h>
#import <UIKit/CDStructures.h>
#import <UIKit/UIWindow.h>
#import <UIKit/UIView-Hierarchy.h>
#import <UIKit/UIHardware.h>
#import <UIKit/UIKit.h>
#import <UIKit/UIApplication.h>
#import <UIKit/UITextView.h>
#import <UIKit/UIView.h>
#import <UIKit/UIKeyboard.h>
#import <UIKit/UIBox.h>

#import <Celestial/AVItem.h>
#import <Celestial/AVController.h>
#import <Celestial/AVQueue.h>

#import <math.h>

#import "Animatables.h"

@implementation Animatable
- (BOOL)tick {
	dormant=YES;
   return NO;
}
- (BOOL)dormant {
	return dormant;
}
@end

@implementation Reward 
- (id) initWithImage: (UIImage *) img X: (float)x Y: (float)y view: (UIView *)v{
	[super initWithImage: img];
	[v addSubview: self];
	view = v;
	posx = x - 75;
	posy = y - 20;
	life = 1;
	[self tick];
	dormant=NO;
	return self;
}
- (BOOL) tick {
	float scale = 1, alpha;
	posy -= 1;
	alpha = life * 4;
	if (alpha > 1) alpha = 1;
	scale = (0.5 - life) * 4;
	if (scale < 1) scale = 1;
	[self setAlpha: alpha];
	[self setTransform: CGAffineTransformScale(CGAffineTransformMakeTranslation(posx, posy), scale, scale)];
	//NSLog(@"Tick: %f,%f alpha %f scale %f", posx, posy, alpha, scale);
	life *= 0.95;
	if (life < 0.05) {
		dormant=YES;
		[self removeFromSuperview];
		return NO;
		}
	return YES;
}
@end

UIImage * particleImage = nil;

@implementation Particle
- (id) initWithX: (float)x Y: (float)y view: (UIView *)v {
	if (!particleImage) {
		particleImage = [[UIImage alloc] initWithContentsOfFile: @"spark.png"];
		srand(time(NULL));
	}
	[super initWithImage: particleImage];
	[v addSubview: self];
	posx = x;
	posy = y;
	velx = ((rand() % 100) - 50) / 13.0;
	vely = ((rand() % 100) - 75) / 10.0;
	life = 1;
	return self;
}
- (BOOL) tick {
	posx += velx;
	posy += vely;
	vely += 0.08;
	vely *= 0.97;
	float scale = 1, alpha;
	alpha = life * 4;
	if (alpha > 1) alpha = 1;
	scale = (0.5 - life) * 4;
	if (scale < 1) scale = 1;
	[self setAlpha: alpha];
	[self setTransform: CGAffineTransformScale(CGAffineTransformMakeTranslation(posx, posy), scale, scale)];	
	life *= 0.95;
	if (life < 0.05) {
		[self removeFromSuperview];
		return NO;
		}	
	return YES;
}
@end